PPT-The Galapagos Hotspot: A plate vs plume controversy

By M Bywater HFell HSalisbury VBurnell TBailey DGibson O Katz and PBaraLaskowski J Chapman helped too I suppose Introduction Situated in the Pacific Ocean roughly 600 miles off the west coast of Ecuador. Be onboard the most elegant (and only 3 mast barquentine) sailing vessel of the islands.Travel with the pioneers of the Galapagos cruise industry (over 30 years experience).Enjoy unique onboard activities like: sailing lessons, nautical knots contest, navigation by the stars and cooking classes. National Geographic Endeavor . October 17-26 2014. . By Grayson Rigby. Introduction. My name is Grayson Rigby and I am eight years old. I live in Ponte . Vedra. Beach, Florida and I am in the third grade. I am going to share with you about my first expedition to the Galapagos Islands, Ecuador on the National Geographic Endeavor. The Galapagos Islands was my favorite trip yet, because of all of the amazing and neat animals that I saw like sea lions, land iguanas, marine iguanas, birds, fish, sea turtles and tortoises.. III: . Hot-spots . and . mantle plumes . Hotspot tracks: Global distribution . Location of hot-spots and hot-spot tracks:. Figures from . Turcotte. and Schubert. Hotspot tracks: A view on the Pacific . Gillian R. . Foulger. Durham University, U.K.. 2. Morgan (1971). The Plume Hypothesis. 3. 4. The Plate hypothesis. Top Down vs. Bottom Up. 6. Predictions of the Plume Hypothesis. 8. Burov. (2005). 1. Precursory uplift. Volcanism is mostly focused at plate margins. Pacific Ring of Fire. This map shows the margins of the Pacific tectonic plate and surrounding region. The red dots show the location of active volcanism. Notice how the majority of the volcanism is focused in lines along the plate boundaries? For this region is the area known as the “Pacific Ring of Fire”.. vs. Plates. Lee . Geok. Tan, Catherine Mascord, . Hawkar. Mohammed, . Soe. Moe, . Huda . Almossaeed. , Waldo . Serfontein. Tristan-Da-Cunha. . Plume Hypothesis. The. The hypothesis . suggests:. Precursory . . Christian Garvey, James King and Charlie Mason. . (Simon Crosbie, Andrew Knott, George Lodwick, Ben Taylor, Jonathon Taylor) . Time history of volcanism . The Azores was onset with a flood basalt eruption, creating a 600Km wide plateau. . E. Cullen; C. Johnston; M. . MacKenzie. ; A. Millar-. Durrant. ; K. Pal; F. Rea and G. Thomas. . Reference: . https://community.dur.ac.uk/g.r.foulger/Offprints/Yellowstone.pdf. Time History Volcanism . CHRISTIAN, JACK. , FRASER, BEN, JAMES M . &. JAM W. BACKGROUND. Located in the North Atlantic the Azores is an autonomous region of Portugal, 850 miles to the west.. The Azores lie at a triple junction between the Eurasian, North American and African Plate.. Claire Hudson, Charlie Donald, Alex Perry, Erica Martin, Anna Whitford. Introduction. Located in Pacific Ocean. 1000km W of Ecuador coast. Cover area of 7880km2 (~10x less than Scotland). 21 islands. Volcanism is mostly focused at plate margins. Pacific Ring of Fire. This map shows the margins of the Pacific tectonic plate and surrounding region. The red dots show the location of active volcanism. Notice how the majority of the volcanism is focused in lines along the plate boundaries? For this region is the area known as the “Pacific Ring of Fire”.. –. Plume or Plate?. Alastair Davies, Thomas Jones, Stephen Secker, George . Aldiss. , Bob Elliott & Josh . Grattage. Background Geology. Middle . and Late Miocene structural features of the western USA that define the great elliptical structure (red dashed line) . David Moerdyk. Inspiration. Target Earth. Unlikely Coincidence . Another Unlikely Coincidence. Permian-Triassic. Extinctions. Cretaceous-Tertiary. 252 Ma. Age. 65 Ma. Siberian Traps. Large. Lava Eruptions . Divergent. Convergent. Transform. Three types of plate boundary. Spreading ridges. As plates move apart new material is erupted to fill the gap. Divergent Boundaries. Iceland has a divergent plate boundary running through its middle.